Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring

Piston Ring Groove Clearance	No.1	0.030-0.080 mm
	No.2	0.030-0.070 mm
Piston Ring Eng Gap (Standard)	No.1	0.300-0.500 mm
	No.2	0.400-0.650 mm
	Oil (Side Rail)	0.130-0.480 mm
Piston Ring End Cap (Maximum)	No.1	1.10 mm
	No.2	1.20 mm
	Oil (Side Rail)	1.15 mm